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Merge pull request #5289 from AmatCoder/AmatCoder-fix-tzx

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txz_cass.cpp: Adding 1 ms. pause to ensure that the last edge is prop…
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ajrhacker 2019-06-26 09:18:22 -04:00 committed by GitHub
commit e78ac44ab0
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1 changed files with 15 additions and 9 deletions
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24
src/lib/formats/tzx_cas.cpp
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@ -230,6 +230,13 @@ static void tzx_output_wave( int16_t **buffer, int length )
} }
} }
static int pause_one_millisec( int16_t **buffer )
{
int pause_samples = millisec_to_samplecount(1);
tzx_output_wave(buffer, pause_samples);
return pause_samples;
}
static int tzx_cas_handle_block( int16_t **buffer, const uint8_t *bytes, int pause, int data_size, int pilot, int pilot_length, int sync1, int sync2, int bit0, int bit1, int bits_in_last_byte ) static int tzx_cas_handle_block( int16_t **buffer, const uint8_t *bytes, int pause, int data_size, int pilot, int pilot_length, int sync1, int sync2, int bit0, int bit1, int bits_in_last_byte )
{ {
int pilot_samples = tcycles_to_samplecount(pilot); int pilot_samples = tcycles_to_samplecount(pilot);
@ -284,11 +291,10 @@ static int tzx_cas_handle_block( int16_t **buffer, const uint8_t *bytes, int pau
/* pause */ /* pause */
if (pause > 0) if (pause > 0)
{ {
int start_pause_samples = millisec_to_samplecount(1); size += pause_one_millisec(buffer);
int rest_pause_samples = millisec_to_samplecount(pause - 1); int rest_pause_samples = millisec_to_samplecount(pause - 1);
tzx_output_wave(buffer, start_pause_samples);
size += start_pause_samples;
wave_data = WAVE_LOW; wave_data = WAVE_LOW;
tzx_output_wave(buffer, rest_pause_samples); tzx_output_wave(buffer, rest_pause_samples);
size += rest_pause_samples; size += rest_pause_samples;
@ -320,11 +326,10 @@ static int tzx_handle_direct(int16_t **buffer, const uint8_t *bytes, int pause,
/* pause */ /* pause */
if (pause > 0) if (pause > 0)
{ {
int start_pause_samples = millisec_to_samplecount(1); size += pause_one_millisec(buffer);
int rest_pause_samples = millisec_to_samplecount(pause - 1); int rest_pause_samples = millisec_to_samplecount(pause - 1);
tzx_output_wave(buffer, start_pause_samples);
size += start_pause_samples;
wave_data = WAVE_LOW; wave_data = WAVE_LOW;
tzx_output_wave(buffer, rest_pause_samples); tzx_output_wave(buffer, rest_pause_samples);
size += rest_pause_samples; size += rest_pause_samples;
@ -464,11 +469,10 @@ static int tzx_handle_generalized(int16_t **buffer, const uint8_t *bytes, int pa
/* pause */ /* pause */
if (pause > 0) if (pause > 0)
{ {
int start_pause_samples = millisec_to_samplecount(1); size += pause_one_millisec(buffer);
int rest_pause_samples = millisec_to_samplecount(pause - 1); int rest_pause_samples = millisec_to_samplecount(pause - 1);
tzx_output_wave(buffer, start_pause_samples);
size += start_pause_samples;
wave_data = WAVE_LOW; wave_data = WAVE_LOW;
tzx_output_wave(buffer, rest_pause_samples); tzx_output_wave(buffer, rest_pause_samples);
size += rest_pause_samples; size += rest_pause_samples;
@ -738,6 +742,8 @@ static int tzx_cas_do_work( int16_t **buffer )
} }
} }
// Adding 1 ms. pause to ensure that the last edge is properly finished at the end of tape
size += pause_one_millisec(buffer);
return size; return size;
} }